Message-ID: <20050406144049.GA5101@localhost>
Date: 2005-04-06T14:40:49Z
From: msck9@mizzou.edu
Subject: the number of cluster
In-Reply-To: <423C10AA.7080509@statistik.uni-dortmund.de>
Are there any package that is using "v-fold cross-validation algorithm"
to test the number the clusters?
Thanks,
Ming
On Sat, Mar 19, 2005 at 12:44:42PM +0100, Uwe Ligges wrote:
> XP Sun wrote:
>
> > hi, all,
> >
> > how to decide the number of cluster before you use kmeans and hclust?
> > thank you in advance!
>
> Depends on your criterion. Best idea is always to use the brain and
> think about how many clusters are sensible for the particular
> task/problem/data.
> For hclust, you can also look at the dendrogram's height and distances
> of dissimilarities in order to cut.
>
> Uwe Ligges
>
>
> > best
> > -xpsun
> >
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